Prior to purchasing my first P3P back in November, I spent countless hours on this forum both reading and absorbing as much information as possible before ever attempting to fly my Phantom. To date, I've logged over 150 successful flights totaling nearly 450 miles. Aside from one component failure resulting in my P3P ending up in a lake, all else has gone off without a hitch. Recently, I purchased an Inspire 1 Pro which is truly an amazing bird however, my P3P is still my "go to" bird to quickly grab and get airborne without much fuss. DJI handled my warranty claim on my lost P3P and the replacement was received this past Tuesday. After going through FW updates, IMU and compass calibrations, assuring all parameters were correctly set up in DJI GO app and of course running though preflight check of things, all appeared in order and normal. Upon take off and attempting to hover a 4-6 ft, the P3P starting going left without any stick input from me. I immediately took control back and struggled to bring her back down. I completed another compass calibration, checked all settings again and attempted to take off again. This time, it headed straight back at me, I was tempted to bat it down with my "monstrous" paws however, I chose to swiftly move out of the way and abruptly landed it. I did notice a compass error during this most recent flight and was able to repeat this warning without even taking off. These events were a reminder that no one other than the one piloting should be standing any where near the take off point. Had this taken place where I often fly, there would've likely been 1/2 dozen people watching, although not too close, it could've resulted in a very dangerous situation with what appears to be an erratic compass issue. I've since taken it to an open field, far from any possible interference, calibrated and again, the same error appeared. I'm not going to upload any flight logs as it's obvious there's a serious problem right out of the gate on this one. I contaced DJI and explained this was the replacement they sent me and was told they would forward an overnight shipping label and would have it repaired and back in my hands within 5 days. Although I want a replacement rather than a repair, they wouldn't budge. Thankful for two things, no one got hurt and I have the Inspire 1 at home just itching for me to fly her.